Home / 13,366.41-18,447.02-7,701.37

Finding the Fourth Proportional to 13,366.41, 18,447.02 and 7,701.37

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Solution

The fourth proportional to 13,366.41, 18,447.02 and 7,701.37 is: 10,628.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.41 : 18,447.02 = 7,701.37 : x
  2. Step 2: Convert to fraction form
    13,366.41/18,447.02 = 7,701.37/x
  3. Step 3: Cross multiply
    13,366.41x = 18,447.02 × 7,701.37
  4. Step 4: Simplify right side
    13,366.41x = 142,067,339.85
  5. Step 5: Solve for x
    x = 142,067,339.85/13,366.41
  6. Step 6: Final answer
    x = 10,628.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.